stem cells, evolution, cell & molecular biology, culture, ecology
Present-Day Arboreal Birds Have Ground-Dwelling Past
Present-Day Arboreal Birds Have Ground-Dwelling Past
Sukanya Charuchandra | May 24, 2018
A mass extinction event from an asteroid hitting Earth wiped out forests and, concurrently, tree-dwelling birds.  
What Made Human Brains So Big?
What Made Human Brains So Big?
Ashley Yeager | May 24, 2018
Ecological challenges such as finding food and creating fire may have led the organ to become abnormally large, a new computer model suggests.
Opinion: Should Human-Animal Chimeras Be Granted “Personhood”?
Opinion: Should Human-Animal Chimeras Be Granted “Personhood”?
John D. Loike | May 23, 2018
Determining which products of advanced biotechnology are deserving of legal protections is essential to our own social architecture.
Animals’ Embryonic Organizer Now Discovered in Human Cells
Animals’ Embryonic Organizer Now Discovered in Human Cells
Jim Daley | May 23, 2018
The finding confirms that a cluster of cells that directs the fate of other cells in the developing embryo is evolutionarily conserved across the animal kingdom.
Conservation Biologist Ben Collen Dies of Bone Cancer
Conservation Biologist Ben Collen Dies of Bone Cancer
Shawna Williams | May 22, 2018
The University College London researcher investigated how environmental pressures affect animals.
Newly Described Salamander Species Nearly Extinct
Newly Described Salamander Species Nearly Extinct
Sukanya Charuchandra | May 21, 2018
The Chinese giant salamander is not one but five different species.
Could a Dose of Sunshine Make You Smarter?
Could a Dose of Sunshine Make You Smarter?
Ruth Williams | May 17, 2018
Moderate ultraviolet light exposure boosts the brainpower of mice thanks to increased production of the neurotransmitter glutamate.  
Lizards’ Green Blood Evolved Four Times
Lizards’ Green Blood Evolved Four Times
Kerry Grens | May 16, 2018
The uncommon hue is present in skinks that aren’t closely related, but the advantage of the odd trait remains anyone’s guess.  
“Minibrains” May Soon Include Neanderthal DNA
“Minibrains” May Soon Include Neanderthal DNA
Ashley Yeager | May 14, 2018
Brain organoids engineered to carry the genetic material could reveal how our brains are similar to and different from those of our closest relatives.
Large Female Fish Play a Big Role in Replenishing Populations: Study
Large Female Fish Play a Big Role in Replenishing Populations: Study
Diana Kwon | May 11, 2018
Bigger, older mothers produce disproportionately more eggs than their smaller counterparts do.